2577889870

素因数分解:

$2^1\times 5^1\times {\mathrm{2111}}^1\times {\mathrm{122117}}^1$

素因数の和:124235

約数の個数: 16

約数和(自身を含む): 4642437888

約数和(自身を除く): 2064548018

約数列:

[1, 2, 5, 10, 2111, 4222, 10555, 21110, 122117, 244234, 610585, 1221170, 257788987, 515577974, 1288944935, 2577889870]

約数ペア:

[(1, 2577889870), (2, 1288944935), (5, 515577974), (10, 257788987), (2111, 1221170), (4222, 610585), (10555, 244234), (21110, 122117)]